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MICROMASTER 440 - Siemens AS

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Issue 10/06<br />

6 Commissioning<br />

6.4.11 Ramp function generator (RFG)<br />

P1091 = ...<br />

P1092 = ...<br />

Skip frequency 1 (entered in Hz) 0.00 Hz<br />

Defines skip frequency 1, which avoids<br />

effects of mechanical resonance and<br />

suppresses frequencies within +/- p1101<br />

(skip frequency bandwidth).<br />

Skip frequency 2<br />

0.00 Hz<br />

f out<br />

P1093 = ...<br />

P1094 = ...<br />

P1101 = ...<br />

Skip frequency 3<br />

Skip frequency 4<br />

Skip frequency bandwidth<br />

(entered in Hz)<br />

0.00 Hz<br />

0.00 Hz<br />

2.00 Hz<br />

p1091<br />

Skip frequency<br />

p1101<br />

Skip frequency<br />

bandwidth<br />

f in<br />

P1120 = ...<br />

Ramp-up time<br />

(enters the accelerating time in s)<br />

10.00 s<br />

p1082<br />

(f max<br />

)<br />

f<br />

f 1<br />

P1121 = ...<br />

Ramp-down time<br />

(enters the deceleration time in s)<br />

10.00 s<br />

p1120<br />

p1121<br />

t<br />

P1130 = ...<br />

P1131 = ...<br />

P1132 = ...<br />

P1133 = ...<br />

P1134 = ...<br />

P1135 = ...<br />

Rump-up initial rounding time<br />

(entered in s)<br />

Ramp-up final rounding time<br />

(entered in s)<br />

Rump-down initial rounding time<br />

(entered in s)<br />

Ramp-down final rounding time<br />

(entered in s)<br />

Rounding type<br />

0 Continuous smoothing<br />

1 Discontinuous smoothing<br />

0.00 s<br />

0.00 s<br />

0.00 s<br />

0.00 s<br />

0<br />

f 2<br />

f<br />

f 1<br />

P1130 P1131<br />

P1132 P1133<br />

t up<br />

t down<br />

The rounding times are recommended as<br />

abrupt responses can be avoided therefore<br />

reducing stress and damage to the mechanical<br />

system.<br />

The ramp-up and ramp-down times are<br />

extended by the component of the rounding<br />

ramps.<br />

OFF3 ramp-down time<br />

Defines ramp-down time from maximum frequency to standstill for OFF3 command.<br />

5.00 s<br />

t<br />

<strong>MICROM<strong>AS</strong>TER</strong> <strong>440</strong><br />

Operating Instructions (Compact) 43

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